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If the successive tick marks shown on the number line above are equall

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If the successive tick marks shown on the number line above are equall [#permalink] New post 26 Mar 2011, 08:04
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If the successive tick marks shown on the number line above are equally spaced and if x and y are the numbers designating the end points of intervals as shown, what is the value of y?

(1) x = 1/2
(2) y - x = 2/3

OPEN DISCUSSION OF THIS QUESTION IS HERE: if-the-successive-tick-marks-shown-on-the-number-line-above-144053.html
[Reveal] Spoiler: OA

Last edited by Bunuel on 28 Jul 2015, 23:52, edited 3 times in total.
Renamed the topic and edited the question.
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Re: If the successive tick marks shown on the number line above are equall [#permalink] New post 26 Mar 2011, 08:12
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I think it's D.
S1 tells me that smallest division is 1/6 hence y is 7/6

S2 tells me that smallest division is 2/3 / 4 or 1/6. Hence y is 7/6

Essentially s1 and s2 provide the exact same information.

Hence D

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Re: If the successive tick marks shown on the number line above are equall [#permalink] New post 26 Mar 2011, 19:11
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INterval between each tick = t

=> x = 3t

Now from (1) x = 1/2

so t = 1/6

hence y = 7 * (1/t) = 7/6

which is sufficient

From (2)

x = 3t

y = 7t

=> 4t = 2/3

=> t = 1/6

Thus, y = 1/2 + 2/3 = 7/6

which is sufficient

Answer - D
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Re: If the successive tick marks shown on the number line above are equall [#permalink] New post 02 Apr 2011, 17:44
1. x = 1/2.

enough to find the that each division/spacing is 1/6
enough to find the value of y. (as y would be 4/6+x)

2. y-x = 2/3
=> y is at a distance of 2/3 from x.

enough to find out each spacing is 1/6
and that is enough to find out y.

Answer is D.
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Re: If the successive tick marks shown on the number line above are equall [#permalink] New post 04 Apr 2011, 20:58
(1) x = 1/2
If 3 units represent 1/2, one can find the value of y by unitary method

(2) y – x = 2/3
if 4 units represent 2/3, one can find the value of y by unitary method

So, D.
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Re: If the successive tick marks shown on the number line above are equall [#permalink] New post 28 Jul 2015, 11:51
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Re: If the successive tick marks shown on the number line above are equall [#permalink] New post 28 Jul 2015, 23:53
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If the successive tick marks shown on the number line above are equally spaced and if x and y are the numbers designating the end points of intervals as shown, what is the value of y?

x = 3 ticks.
y = 7 ticks.

(1) x = 1/2 --> x = 1/2 = 3 ticks --> 1 tick = 1/6, thus y = 7 ticks = 7/6. Sufficient.

(2) y - x = 2/3 --> the distance between x and y is 4 ticks, thus 2/3 = 4 ticks --> 1 tick = 1/6, thus y = 7 ticks = 7/6. Sufficient.

Answer: D.

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OPEN DISCUSSION OF THIS QUESTION IS HERE: if-the-successive-tick-marks-shown-on-the-number-line-above-144053.html
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Re: If the successive tick marks shown on the number line above are equall   [#permalink] 28 Jul 2015, 23:53
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